Ключевые слова: angiosperms, cactacea, cactoidea, cactus, cactus blossom, cactus spine, cactus thorn, caryophyllales, cleistocactus, cleistocactus strausii, core eudicots, eudicots, magnoliopsida, plant, silver torch, silver torch cactus, spermatophytes, spermatophytina, spine, thorn, tracheophyta, tracheophytes, trichocereea, wooly torch, wooly torch cactus,